Mazda electric light bulb tester (1924-34) at Corning Museum of Glass. Corning, NY.
Photo by Jim Steinhart © 2016, all rights reserved. (Ref: NYGUN909)

Click an index below to see this photo among related images:

Antique Light Bulbs
Corning Museum of Glass - American Glass
Lighting Devices & Art Lamps
Captions List for Upper New York: Corning, Finger Lakes, Ithaca